ETSI TS 183 005-2007 电信和互联网融合业务及高级网络协议(TISPAN).PSTN/ISDN仿真业务:会议(CONF).协议规范(版本1.1.3)
Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); PSTN/ISDN simulation services: Conference (CONF); Protocol specification V1.1.3